A randomized 25 question test from a pool of 761 questions, good luck!
In the protocol specifications of Modbus, there are only four types of registers that can be accessed by the master. Which of the answers below expresses the register size and permissions of a holding registers?
A typical DCS has at least four layers in it's architecture. Fieldbus and DeviceNet are all under the direct control of which of the layers below?
Which of the wire types below is best suited for networks in office or business environments?
All the wired network components interact with ISO layers. Which of the answers below reflects the ISO layers that the gateway interacts with?
A DCS collects a lot of data during the course of operating. Which of the terms below would best describe the database that contains the value of all the parameters and tags, as well as all the programming and the DCS configuration?
DCS commonly is considered a computerised control system for a plant that has central operator supervisory control. Which of the terms below is best described as a system that allows for exchange of data throughout, but can have remote systems within the system?
IPv4 network classes can also be defined by the IP address they use. Which of the answers corresponds best to the address in row "A"?
Which of the terms below is best described as "losses resulting from the amount of bends in an installation."?
IPv4 network classes can also be defined by the IP address they use. Which of the answers corresponds best to the address in row "D"?
Modbus has standard command codes to allow the master to access information from it's slaves. Which of the commands below would be used to read the input status of coils on a slave device ?
In the transmission control protocol validates that the destination has received the information packet sent. Which of the header components below is responsible for this verification?
Which of the components below best represents the letter "B"?
In the protocol specifications of Modbus, there are only four types of registers that can be accessed by the master. Which of the answers below expresses the register size and permissions of an input status register?
Software for programming or configuration is an integral part of any HMI. Which of the interfaces below can be best described as having the operators access the various HMI subsystems to interact with a process control system?
There are several data access methods used to transmit data. Which of the answers below can be described as a method that the responding device cannot initiate any communication independently?
There are many different software programs that are commonly used by a DCS. Which of the programs below would allow the control of an employees access level in the system?
For larger network configuration in IPv4, the more practical option is dynamic addressing. Which of the options below is a vital difference between static and dynamic addressing?
With any GUI, there are opportunities to use gathered data visually. Which of the methods below would be best described as one that would allow an operator to anticipate the tendencies of a process by the creation of a short term measurement values plot?
There are several advantages to multidrop communication. Which of the answers below best represents one that is not one of those advantages?
Which of the answers below best describes the number of pins in a standard A USB connector?
Which component of a wired Ethernet network has provisions for interfacing with the OSI model physical and data link layer?
There are many conventions to the creation of tags in a HMI. Which of those conventions would best describe the part of a tag that the arrows are pointing to in the picture below?
The numerous tasks that are accomplished at the same time in a DCS, is a result of the configured software programs that it has . Which of the software programs below will governed by IEC-61131-3?
In the process conditions model, there are transition points between the stages of operating conditions. Which of the answers below is the signals conditions moving from abnormal to shutdown conditions?
Data communication in a DCS takes the form of various net works. Which of the networks below would connect FCEs, field devices and sensors?